OpenEdge Development:<br />Progress 4GL Reference LAST-OF function

Release 10.1A: OpenEdge Development:
Progress 4GL Reference

LAST-OF function

Returns a TRUE value if the current iteration of a DO, FOR EACH, or REPEAT . . . BREAK block is the last iteration for a particular value of a break group.

Syntax
LAST-OF ( break-group ) 
break-group
The name of a field or expression you named in the block header with the BREAK BY option.
Example

This procedure uses LAST-OF to display a single line of information on each cat-page group in the item file, without displaying any individual item data. It produces a report that shows the aggregate value on-hand for each catalog page.
r-lastof.p
FOR EACH item BREAK BY cat-page:
     ACCUMULATE on-hand * price (TOTAL BY cat-page).
     IF LAST-OF(cat-page)
     THEN DISPLAY cat-page (ACCUM TOTAL BY cat-page
                  on-hand * price) LABEL "Value-oh".
END. 
See also

FIRST function, FIRST-OF function, LAST-OF function